Polska, efter Börjes Olle

Recording by Pers Hans Olsson.

Recording identifiers

ISRC
SE3SA2205002
CopyrightID (CopyrightChains transaction hash)
0x309ceb63040a05f6be52a2c1bc850bbbc87be40f9a601e01854586ba62080a14
Copyright registration time
2026-07-07T21:44:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:63bbaade034967291edf7a69b7586d2f23c6adfdb64fa170978c6f74bdd50a31

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.